// Cloud Float...
var $main = $cloud = mainwidth = null;
var offset1 = 450;
var offset2 = 0;

var offsetbg = 0;

$(document).ready(function() {
			$main = $("#mainBody");
			$body = $("body");
			$cloud1 = $("#cloud1");
			$cloud2 = $("#cloud2");

			mainwidth = $main.outerWidth();

		});

// / 飘动
setInterval(function flutter() {
			if (offset1 >= mainwidth) {
				offset1 = -580;
			}

			if (offset2 >= mainwidth) {
				offset2 = -580;
			}

			offset1 += 1.1;
			offset2 += 1;
			$cloud1.css("background-position", offset1 + "px 100px")

			$cloud2.css("background-position", offset2 + "px 460px")
		}, 70);

setInterval(function bg() {
			if (offsetbg >= mainwidth) {
				offsetbg = -580;
			}

			offsetbg += 0.9;
			$body.css("background-position", -offsetbg + "px 0")
		}, 90);
